﻿using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using Maticsoft.IDAL;
using Maticsoft.DBUtility;//Please add references
namespace Maticsoft.SQLServerDAL
{
	/// <summary>
	/// 数据访问类:Customers
	/// </summary>
	public partial class Customers:ICustomers
	{
		public Customers()
		{}
		#region  BasicMethod

		/// <summary>
		/// 得到最大ID
		/// </summary>
		public int GetMaxId()
		{
		return DbHelperSQL.GetMaxID("CustomerId", "Customers"); 
		}

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int CustomerId)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from Customers");
			strSql.Append(" where CustomerId=@CustomerId");
			SqlParameter[] parameters = {
					new SqlParameter("@CustomerId", SqlDbType.Int,4)
			};
			parameters[0].Value = CustomerId;

			return DbHelperSQL.Exists(strSql.ToString(),parameters);
		}


		/// <summary>
		/// 增加一条数据
		/// </summary>
		public int Add(Maticsoft.Model.Customers model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into Customers(");
			strSql.Append("CustomerName,Phone,Email,Address,Balance,CreateAt)");
			strSql.Append(" values (");
			strSql.Append("@CustomerName,@Phone,@Email,@Address,@Balance,@CreateAt)");
			strSql.Append(";select @@IDENTITY");
			SqlParameter[] parameters = {
					new SqlParameter("@CustomerName", SqlDbType.VarChar,255),
					new SqlParameter("@Phone", SqlDbType.VarChar,255),
					new SqlParameter("@Email", SqlDbType.VarChar,255),
					new SqlParameter("@Address", SqlDbType.VarChar,255),
					new SqlParameter("@Balance", SqlDbType.Decimal,9),
					new SqlParameter("@CreateAt", SqlDbType.DateTime)};
			parameters[0].Value = model.CustomerName;
			parameters[1].Value = model.Phone;
			parameters[2].Value = model.Email;
			parameters[3].Value = model.Address;
			parameters[4].Value = model.Balance;
			parameters[5].Value = model.CreateAt;

			object obj = DbHelperSQL.GetSingle(strSql.ToString(),parameters);
			if (obj == null)
			{
				return 0;
			}
			else
			{
				return Convert.ToInt32(obj);
			}
		}
		/// <summary>
		/// 更新一条数据
		/// </summary>
		public bool Update(Maticsoft.Model.Customers model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("update Customers set ");
			strSql.Append("CustomerName=@CustomerName,");
			strSql.Append("Phone=@Phone,");
			strSql.Append("Email=@Email,");
			strSql.Append("Address=@Address,");
			strSql.Append("Balance=@Balance,");
			strSql.Append("CreateAt=@CreateAt");
			strSql.Append(" where CustomerId=@CustomerId");
			SqlParameter[] parameters = {
					new SqlParameter("@CustomerName", SqlDbType.VarChar,255),
					new SqlParameter("@Phone", SqlDbType.VarChar,255),
					new SqlParameter("@Email", SqlDbType.VarChar,255),
					new SqlParameter("@Address", SqlDbType.VarChar,255),
					new SqlParameter("@Balance", SqlDbType.Decimal,9),
					new SqlParameter("@CreateAt", SqlDbType.DateTime),
					new SqlParameter("@CustomerId", SqlDbType.Int,4)};
			parameters[0].Value = model.CustomerName;
			parameters[1].Value = model.Phone;
			parameters[2].Value = model.Email;
			parameters[3].Value = model.Address;
			parameters[4].Value = model.Balance;
			parameters[5].Value = model.CreateAt;
			parameters[6].Value = model.CustomerId;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}

		/// <summary>
		/// 删除一条数据
		/// </summary>
		public bool Delete(int CustomerId)
		{
			
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from Customers ");
			strSql.Append(" where CustomerId=@CustomerId");
			SqlParameter[] parameters = {
					new SqlParameter("@CustomerId", SqlDbType.Int,4)
			};
			parameters[0].Value = CustomerId;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}
		/// <summary>
		/// 批量删除数据
		/// </summary>
		public bool DeleteList(string CustomerIdlist )
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from Customers ");
			strSql.Append(" where CustomerId in ("+CustomerIdlist + ")  ");
			int rows=DbHelperSQL.ExecuteSql(strSql.ToString());
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}


		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public Maticsoft.Model.Customers GetModel(int CustomerId)
		{
			
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select  top 1 CustomerId,CustomerName,Phone,Email,Address,Balance,CreateAt from Customers ");
			strSql.Append(" where CustomerId=@CustomerId");
			SqlParameter[] parameters = {
					new SqlParameter("@CustomerId", SqlDbType.Int,4)
			};
			parameters[0].Value = CustomerId;

			Maticsoft.Model.Customers model=new Maticsoft.Model.Customers();
			DataSet ds=DbHelperSQL.Query(strSql.ToString(),parameters);
			if(ds.Tables[0].Rows.Count>0)
			{
				return DataRowToModel(ds.Tables[0].Rows[0]);
			}
			else
			{
				return null;
			}
		}


		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public Maticsoft.Model.Customers DataRowToModel(DataRow row)
		{
			Maticsoft.Model.Customers model=new Maticsoft.Model.Customers();
			if (row != null)
			{
				if(row["CustomerId"]!=null && row["CustomerId"].ToString()!="")
				{
					model.CustomerId=int.Parse(row["CustomerId"].ToString());
				}
				if(row["CustomerName"]!=null)
				{
					model.CustomerName=row["CustomerName"].ToString();
				}
				if(row["Phone"]!=null)
				{
					model.Phone=row["Phone"].ToString();
				}
				if(row["Email"]!=null)
				{
					model.Email=row["Email"].ToString();
				}
				if(row["Address"]!=null)
				{
					model.Address=row["Address"].ToString();
				}
				if(row["Balance"]!=null && row["Balance"].ToString()!="")
				{
					model.Balance=decimal.Parse(row["Balance"].ToString());
				}
				if(row["CreateAt"]!=null && row["CreateAt"].ToString()!="")
				{
					model.CreateAt=DateTime.Parse(row["CreateAt"].ToString());
				}
			}
			return model;
		}

		/// <summary>
		/// 获得数据列表
		/// </summary>
		public DataSet GetList(string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select CustomerId,CustomerName,Phone,Email,Address,Balance,CreateAt ");
			strSql.Append(" FROM Customers ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			return DbHelperSQL.Query(strSql.ToString());
		}

		/// <summary>
		/// 获得前几行数据
		/// </summary>
		public DataSet GetList(int Top,string strWhere,string filedOrder)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select ");
			if(Top>0)
			{
				strSql.Append(" top "+Top.ToString());
			}
			strSql.Append(" CustomerId,CustomerName,Phone,Email,Address,Balance,CreateAt ");
			strSql.Append(" FROM Customers ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			strSql.Append(" order by " + filedOrder);
			return DbHelperSQL.Query(strSql.ToString());
		}

		/// <summary>
		/// 获取记录总数
		/// </summary>
		public int GetRecordCount(string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) FROM Customers ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			object obj = DbHelperSQL.GetSingle(strSql.ToString());
			if (obj == null)
			{
				return 0;
			}
			else
			{
				return Convert.ToInt32(obj);
			}
		}
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetListByPage(string strWhere, string orderby, int startIndex, int endIndex)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("SELECT * FROM ( ");
			strSql.Append(" SELECT ROW_NUMBER() OVER (");
			if (!string.IsNullOrEmpty(orderby.Trim()))
			{
				strSql.Append("order by T." + orderby );
			}
			else
			{
				strSql.Append("order by T.CustomerId desc");
			}
			strSql.Append(")AS Row, T.*  from Customers T ");
			if (!string.IsNullOrEmpty(strWhere.Trim()))
			{
				strSql.Append(" WHERE " + strWhere);
			}
			strSql.Append(" ) TT");
			strSql.AppendFormat(" WHERE TT.Row between {0} and {1}", startIndex, endIndex);
			return DbHelperSQL.Query(strSql.ToString());
		}

		/*
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetList(int PageSize,int PageIndex,string strWhere)
		{
			SqlParameter[] parameters = {
					new SqlParameter("@tblName", SqlDbType.VarChar, 255),
					new SqlParameter("@fldName", SqlDbType.VarChar, 255),
					new SqlParameter("@PageSize", SqlDbType.Int),
					new SqlParameter("@PageIndex", SqlDbType.Int),
					new SqlParameter("@IsReCount", SqlDbType.Bit),
					new SqlParameter("@OrderType", SqlDbType.Bit),
					new SqlParameter("@strWhere", SqlDbType.VarChar,1000),
					};
			parameters[0].Value = "Customers";
			parameters[1].Value = "CustomerId";
			parameters[2].Value = PageSize;
			parameters[3].Value = PageIndex;
			parameters[4].Value = 0;
			parameters[5].Value = 0;
			parameters[6].Value = strWhere;	
			return DbHelperSQL.RunProcedure("UP_GetRecordByPage",parameters,"ds");
		}*/

		#endregion  BasicMethod
		#region  ExtensionMethod

		#endregion  ExtensionMethod
	}
}

